The highest-paying engagements included a £20,000 speech Ms Rayner gave for Deutsche Bank, which was followed by a £1,000 hotel room and a £250 dinner.
Rayner, who resigned as Deputy Prime Minister after it was revealed she failed to pay £40,000 in stamp duty, is rumoured to be a front-runner for the top cabinet role.
Enzo Bettamio, 18, was charged with murdering Kamonnan Thiamphanit, 27, also known as Angela, after being extradited from the United Arab Emirates in April.
The former deputy prime minister, who played a leading role in Labour's controversial work to reshape local government, is said to be working with him on handing mayors tax-raising powers.
Angela Rayner still has a key role to play in Labour despite fears her star has waned since Andy Burnham's return to Westminster, allies said last night.